1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s 3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s 4 5 // Verify that using an initializer list for a non-aggregate looks for 6 // constructors.. 7 // Note that due to a (likely) standard bug, this is technically an aggregate, 8 // but we do not treat it as one. 9 struct NonAggr1 { // expected-note 2 {{candidate constructor}} 10 NonAggr1(int, int) { } // expected-note {{candidate constructor}} 11 12 int m; 13 }; 14 15 struct Base { }; 16 struct NonAggr2 : public Base { // expected-note 0-3 {{candidate constructor}} 17 int m; 18 }; 19 20 class NonAggr3 { // expected-note 3 {{candidate constructor}} 21 int m; 22 }; 23 24 struct NonAggr4 { // expected-note 3 {{candidate constructor}} 25 int m; 26 virtual void f(); 27 }; 28 29 NonAggr1 na1 = { 17 }; // expected-error{{no matching constructor for initialization of 'NonAggr1'}} 30 NonAggr2 na2 = { 17 }; 31 NonAggr3 na3 = { 17 }; // expected-error{{no matching constructor for initialization of 'NonAggr3'}} 32 NonAggr4 na4 = { 17 }; // expected-error{{no matching constructor for initialization of 'NonAggr4'}} 33 #if __cplusplus <= 201402L 34 // expected-error@-4{{no matching constructor for initialization of 'NonAggr2'}} 35 #else 36 // expected-error@-6{{requires explicit braces}} 37 NonAggr2 na2b = { {}, 17 }; // ok 38 #endif 39 40 // PR5817 41 typedef int type[][2]; 42 const type foo = {0}; 43 44 // Vector initialization. 45 typedef short __v4hi __attribute__ ((__vector_size__ (8))); 46 __v4hi v1 = { (void *)1, 2, 3 }; // expected-error {{cannot initialize a vector element of type 'short' with an rvalue of type 'void *'}} 47 48 // Array initialization. 49 int a[] = { (void *)1 }; // expected-error {{cannot initialize an array element of type 'int' with an rvalue of type 'void *'}} 50 51 // Struct initialization. 52 struct S { int a; } s = { (void *)1 }; // expected-error {{cannot initialize a member subobject of type 'int' with an rvalue of type 'void *'}} 53 54 // Check that we're copy-initializing the structs. 55 struct A { 56 A(); 57 A(int); 58 ~A(); 59 60 A(const A&) = delete; // expected-note 2 {{'A' has been explicitly marked deleted here}} 61 }; 62 63 struct B { 64 A a; 65 }; 66 67 struct C { 68 const A& a; 69 }; 70 71 void f() { 72 A as1[1] = { }; 73 A as2[1] = { 1 }; // expected-error {{copying array element of type 'A' invokes deleted constructor}} 74 75 B b1 = { }; 76 B b2 = { 1 }; // expected-error {{copying member subobject of type 'A' invokes deleted constructor}} 77 78 C c1 = { 1 }; 79 } 80 81 class Agg { 82 public: 83 int i, j; 84 }; 85 86 class AggAgg { 87 public: 88 Agg agg1; 89 Agg agg2; 90 }; 91 92 AggAgg aggagg = { 1, 2, 3, 4 }; 93 94 namespace diff_cpp14_dcl_init_aggr_example { 95 struct derived; 96 struct base { 97 friend struct derived; 98 private: 99 base(); 100 }; 101 struct derived : base {}; 102 103 derived d1{}; 104 #if __cplusplus > 201402L 105 // expected-error@-2 {{private}} 106 // expected-note@-7 {{here}} 107 #endif 108 derived d2; 109 } 110 111 namespace ProtectedBaseCtor { 112 // FIXME: It's unclear whether f() and g() should be valid in C++1z. What is 113 // the object expression in a constructor call -- the base class subobject or 114 // the complete object? 115 struct A { 116 protected: 117 A(); 118 }; 119 120 struct B : public A { 121 friend B f(); 122 friend B g(); 123 friend B h(); 124 }; 125 126 B f() { return {}; } 127 #if __cplusplus > 201402L 128 // expected-error@-2 {{protected default constructor}} 129 // expected-note@-12 {{here}} 130 #endif 131 132 B g() { return {{}}; } 133 #if __cplusplus <= 201402L 134 // expected-error@-2 {{no matching constructor}} 135 // expected-note@-15 3{{candidate}} 136 #else 137 // expected-error@-5 {{protected default constructor}} 138 // expected-note@-21 {{here}} 139 #endif 140 141 B h() { return {A{}}; } 142 #if __cplusplus <= 201402L 143 // expected-error@-2 {{no matching constructor}} 144 // expected-note@-24 3{{candidate}} 145 #endif 146 // expected-error@-5 {{protected constructor}} 147 // expected-note@-30 {{here}} 148 } 149
